2

Physical examination:
Trigger finger is caused when the space between the flexor tendon and the tendon sheath (tunnel) becomes tight. It becomes difficult to bend the finger and it may become stuck, either in flexion (bent) or extension (straight). This can be seen on physical exam. Typically the hand is tender over the horizontal crease in the hand. This is more common in diabetics.
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4

Typically...:
If there's a hole in your finger, then the pokey part of the stick worked. If i understand you correctly, are you concerned about the size o the hole or whether it will close and stop bleeding? I can assure you nothing but a bit of blood will come out. Unless you are sticking yourself with a knife, or a non approved instrument?!
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8

Fasting:
If the draws were truly fasting, that is without food overnight, then I would advise a different test to evaluate your average blood sugar over time. This is called a hemoglobin A1C. The blood tests are generally more reliable. You may need medication adjustment if you are already diagnosed with diabetes and on medication, or just further evaluation. Ask your practitioner.
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10

Yes:
Visual inspection of same fingers on each hand placed nail to nail for obliteration of diamond-shaped window is fairly sensitive. Normal nail angle is 165 degrees or less (see diagram) I examine the nails from the side carefully. Usually, it's very obvious. Thanks for trusting HealthTap!
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